Threaded Tube Inserts
Heavy Duty Square Threaded Tube Inserts
Heavy duty square threaded tube inserts for 350 - 1,000kg max load.
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Showing 58 of 58 products
M8 25x25x1.6mm Threaded Tube Insert (STHi-5705)
- Thread
- M8
- Tube size
- 25 x 25 mm
- Wall thickness
- 1.6 mm
- Max static load
- 450 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M8 38x38x1.6-2mm Threaded Tube Insert (STHi-5669)
- Thread
- M8
- Tube size
- 38 x 38 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 500 kg
- Housing
- PA
- Thread material
- MSZP
M8 40x40x1.6mm Threaded Tube Insert (STHi-5714)
- Thread
- M8
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M8 40x40x2mm Threaded Tube Insert (STHi-5715)
- Thread
- M8
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M8 50x50x1.6mm Threaded Tube Insert (STHi-5719)
- Thread
- M8
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M8 50x50x2mm Threaded Tube Insert (STHi-5720)
- Thread
- M8
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M10 25x25x2mm Threaded Tube Insert (SZTi-5621)
- Thread
- M10
- Tube size
- 25 x 25 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 25x25x1.6mm Threaded Tube Insert (SZTi-5775)
- Thread
- M10
- Tube size
- 25 x 25 mm
- Wall thickness
- 1.6 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 25.4x25.4x1.6mm Threaded Tube Insert (STHi-5625)
- Thread
- M10
- Tube size
- 25.4 x 25.4 mm
- Wall thickness
- 1.6 mm
- Max static load
- 500 kg
- Housing
- MS
- Thread material
- —
M10 25.4x25.4x1.2mm Threaded Tube Insert (STTi-5624)
- Thread
- M10
- Tube size
- 25.4 x 25.4 mm
- Wall thickness
- 1.2 mm
- Max static load
- 350 kg
- Housing
- MS
- Thread material
- —
M10 30x30x2mm Threaded Tube Insert (STZi-5631)
- Thread
- M10
- Tube size
- 30 x 30 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 30x30x2.5mm Threaded Tube Insert (STZi-5632)
- Thread
- M10
- Tube size
- 30 x 30 mm
- Wall thickness
- 2.5 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 30x30x1.6mm Threaded Tube Insert (STZi-5776)
- Thread
- M10
- Tube size
- 30 x 30 mm
- Wall thickness
- 1.6 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 35x35x1.6mm Threaded Tube Insert (STHi-5707)
- Thread
- M10
- Tube size
- 35 x 35 mm
- Wall thickness
- 1.6 mm
- Max static load
- 700 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M10 38x38x1.6-2mm Threaded Tube Insert (STHi-5668)
- Thread
- M10
- Tube size
- 38 x 38 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 500 kg
- Housing
- PA
- Thread material
- MSZP
M10 40x40x2mm Threaded Tube Insert (STHi-5684)
- Thread
- M10
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M10 40x40x1.6mm Threaded Tube Insert (STHi-5698)
- Thread
- M10
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M10 40x40x2mm Threaded Tube Insert (SZTi-5416)
- Thread
- M10
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 40x40x2.5mm Threaded Tube Insert (SZTi-5417)
- Thread
- M10
- Tube size
- 40 x 40 mm
- Wall thickness
- 2.5 mm
- Max static load
- 500 kg
- Housing
- ZDC
- Thread material
- —
M10 40x40x1.6mm Threaded Tube Insert (SZTi-5777)
- Thread
- M10
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M10 50x50x1.6mm Threaded Tube Insert (STHi-5687)
- Thread
- M10
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M10 50x50x2mm Threaded Tube Insert (STHi-5689)
- Thread
- M10
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M10 50.8x50.8x1.6-2mm Threaded Tube Insert (STHi-5820)
- Thread
- M10
- Tube size
- 50.8 x 50.8 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 750 kg
- Housing
- PA
- Thread material
- MSZP
M12 25x25x1.6mm Threaded Tube Insert (STHi-5675)
- Thread
- M12
- Tube size
- 25 x 25 mm
- Wall thickness
- 1.6 mm
- Max static load
- 550 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M12 30x30x1.6mm Threaded Tube Insert (STHi-5678)
- Thread
- M12
- Tube size
- 30 x 30 mm
- Wall thickness
- 1.6 mm
- Max static load
- 550 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M12 30x30x2mm Threaded Tube Insert (SZTi-5635)
- Thread
- M12
- Tube size
- 30 x 30 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- ZDC
- Thread material
- —
M12 35x35x1.6mm Threaded Tube Insert (STHi-5708)
- Thread
- M12
- Tube size
- 35 x 35 mm
- Wall thickness
- 1.6 mm
- Max static load
- 750 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M12 38x38x1.6-2mm Threaded Tube Insert (STHi-5667)
- Thread
- M12
- Tube size
- 38 x 38 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 500 kg
- Housing
- PA
- Thread material
- MSZP
M12 40x40x1.6mm Threaded Tube Insert (STHi-5682)
- Thread
- M12
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M12 40x40x2mm Threaded Tube Insert (STHi-5685)
- Thread
- M12
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M12 50x50x1.6mm Threaded Tube Insert (STHi-5690)
- Thread
- M12
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M12 50x50x2mm Threaded Tube Insert (STHi-5692)
- Thread
- M12
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 1000 kg
- Housing
- PA
- Thread material
- MSZP
M12 50.8x50.8x1.6-2mm Threaded Tube Insert (STHi-5822)
- Thread
- M12
- Tube size
- 50.8 x 50.8 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 750 kg
- Housing
- PA
- Thread material
- MSZP
M14 30x30x1.6mm Threaded Tube Insert (STHi-5706)
- Thread
- M14
- Tube size
- 30 x 30 mm
- Wall thickness
- 1.6 mm
- Max static load
- 600 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M14 35x35x1.6mm Threaded Tube Insert (STHi-5709)
- Thread
- M14
- Tube size
- 35 x 35 mm
- Wall thickness
- 1.6 mm
- Max static load
- 800 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M14 40x40x1.6mm Threaded Tube Insert (STHi-5716)
- Thread
- M14
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 850 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M14 40x40x2mm Threaded Tube Insert (STHi-5717)
- Thread
- M14
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 850 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M14 50x50x1.6mm Threaded Tube Insert (STHi-5722)
- Thread
- M14
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 850 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M14 50x50x2mm Threaded Tube Insert (STHi-5723)
- Thread
- M14
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 850 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 30x30x1.6mm Threaded Tube Insert (STHi-5679)
- Thread
- M16
- Tube size
- 30 x 30 mm
- Wall thickness
- 1.6 mm
- Max static load
- 650 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 32x32x1.6-2mm Threaded Tube Insert (STTi-5806)
- Thread
- M16
- Tube size
- 32 x 32 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 350 kg
- Housing
- PA
- Thread material
- SS304
M16 35x35x1.6mm Threaded Tube Insert (STHi-5710)
- Thread
- M16
- Tube size
- 35 x 35 mm
- Wall thickness
- 1.6 mm
- Max static load
- 850 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 38x38x1.6-2mm Threaded Tube Insert (STHi-5809)
- Thread
- M16
- Tube size
- 38 x 38 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 400 kg
- Housing
- PA
- Thread material
- MSZP
M16 40x40x2mm Threaded Tube Insert (STHi-5670)
- Thread
- M16
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- PA
- Thread material
- BrassNP
M16 40x40x1.6mm Threaded Tube Insert (STHi-5683)
- Thread
- M16
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 900 kg
- Housing
- PA-GF
- Thread material
- Brass
M16 50x50x1.6mm Threaded Tube Insert (STHi-5691)
- Thread
- M16
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 900 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 50x50x2.5mm Threaded Tube Insert (STHi-5693)
- Thread
- M16
- Tube size
- 50 x 50 mm
- Wall thickness
- 2.5 mm
- Max static load
- 950 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 50x50x2mm Threaded Tube Insert (STHi-5724)
- Thread
- M16
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 950 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M16 50.8x50.8x1.6-2mm Threaded Tube Insert (STHi-5814)
- Thread
- M16
- Tube size
- 50.8 x 50.8 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 750 kg
- Housing
- PA
- Thread material
- MSZP
M20 32x32x1.6-2mm Threaded Tube Insert (STTi-5427)
- Thread
- M20
- Tube size
- 32 x 32 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 500 kg
- Housing
- PA
- Thread material
- —
M20 35x35x1.6mm Threaded Tube Insert (STHi-5713)
- Thread
- M20
- Tube size
- 35 x 35 mm
- Wall thickness
- 1.6 mm
- Max static load
- 900 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M20 38x38x1.6mm Threaded Tube Insert (STHi-5879)
- Thread
- M20
- Tube size
- 38 x 38 mm
- Wall thickness
- 1.6 mm
- Max static load
- 500 kg
- Housing
- PA
- Thread material
- MSZP
M20 40x40x2mm Threaded Tube Insert (STHi-5671)
- Thread
- M20
- Tube size
- 40 x 40 mm
- Wall thickness
- 2 mm
- Max static load
- 800 kg
- Housing
- PA
- Thread material
- BrassNP
M20 40x40x1.6mm Threaded Tube Insert (STHi-5718)
- Thread
- M20
- Tube size
- 40 x 40 mm
- Wall thickness
- 1.6 mm
- Max static load
- 950 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M20 50x50x2mm Threaded Tube Insert (STHi-5725)
- Thread
- M20
- Tube size
- 50 x 50 mm
- Wall thickness
- 2 mm
- Max static load
- 900 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M20 50x50x1.6mm Threaded Tube Insert (STHi-5800)
- Thread
- M20
- Tube size
- 50 x 50 mm
- Wall thickness
- 1.6 mm
- Max static load
- 950 kg
- Housing
- PA-GF
- Thread material
- BrassNP
M20 50.8x50.8x1.6-2mm Threaded Tube Insert (STHi-5728)
- Thread
- M20
- Tube size
- 50.8 x 50.8 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 750 kg
- Housing
- PA
- Thread material
- SS304
M20 50.8x50.8x1.6-2mm Threaded Tube Insert (STHi-5818)
- Thread
- M20
- Tube size
- 50.8 x 50.8 mm
- Wall thickness
- 1.6-2 mm
- Max static load
- 750 kg
- Housing
- PA
- Thread material
- Brass
How to choose Heavy Duty Square Threaded Tube Inserts
58 products- Compare thread sizes, tube sizes, load ratings before requesting pricing.
- Use the range and related product links to move between close alternatives without relying on filter-only URLs.
- Send Flexliner the part number and quantity when the shortlist is ready for quote confirmation.
Applications and Quote Prep
- Heavy Duty Square Threaded Tube Inserts are used where buyers need repeatable support, levelling, tube finishing, or machine setup from a known part number.
- The visible product table supports quoting by keeping commercial identifiers and selection specs on the page.
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